Santo Tomás is a prominent figure in Christian theology, known as Saint Thomas Aquinas. He was a 13th-century philosopher and theologian whose works have greatly influenced Western thought. Santo Tomás is best known for his writings on the relationship between faith and reason, particularly in his seminal work, the Summa Theologica. In addition to his theological contributions, Santo Tomás is also recognized as a Doctor of the Church and is the patron saint of universities, students, and schools. His feast day is celebrated on January 28, honoring his legacy in education and philosophy within the Catholic Church.